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the unstable elements in Periodic Table is Radium because it always leave the radio active waves so it lost its mass slowly slowly all radio active elements are unstable.
Any thing more
By Varun
Wiki User
∙ 12y ago
Wiki User
∙ 9y agoRadio active elements such as uranium, thorium, plutonium, radium etc
Wiki User
∙ 13y agoThe elements are radioactive.
Wiki User
∙ 13y agoThey are called radioactive.
Wiki User
∙ 14y agoRadioactive
Wiki User
∙ 13y agoradioactive
Wiki User
∙ 15y agopootonium
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What determines the properties of elements?
the properties of elements are determined by the structures of their atoms.
Why are synthetic elements made?
It depends on the element. Some synthetic elements can be made by bombarding the nucleus of a lighter element with protons or alpha particles. The heavier synthetic elements are made by colliding atomic nuclei with one another.
What happens to water particles when they cool off?
mom
What is the basic particle from which all elements are made?
Elements are made of atoms which are made of smaller particles like quarks and gluons. contin.yes im pretty sure it is~welicatiga <(O3O)>
What is the process called when water passes through soil layers drawing elements and particles with it?
Leaching is the removal of substances by percolating water.The movement of dissolved substances or particles into a horizon is called illuviation. The movement of dissolved substances or particles out of a horizon is called eluviation.
Do synthetic elements give off small particles?
Yes, because they are radioactive.
What elements give off small particles?
radio active
What particles give off high energy?
Radionuclide or radioisotope is a substance that give off high energy particles or rays as it disintegrates. They emit three types of radioactivity is alpha particles, beta particles, and gamma rays.
What is it when naturally unstable elements release particles from the nuclei and give off heat?
It is called radioactivity.
What is the ability of some elements to give off nuclear radiation due to the spontaneous split of nuclei into smaller particles called?
Radioactivity.
What is an isotope that give off particles?
radioactive
What particles does plutonium give off?
Plutonium is especially an alpha particles emitter.
What particles does americium give off?
Americium emit alpha particles and gamma radiations.
What After the nucleus of a radioactive element undergoes the element can transform into?
There are many radio active elements which decay into lighter elements and give off charged particles in the process. The best place to find this voluminous information is in a 'Table of the Nuclides'.
Does chromium-51 give off weak alpha particles?
No
What materials give off the most black carbon particulates?
An incomplete combustion give off black carbon particles.
What colour does calcium give off?
fireworks and elements
